FR518819A - New anastigmat lens - Google Patents

New anastigmat lens

Info

Publication number
FR518819A
FR518819A FR518819A FR518819DA FR518819A FR 518819 A FR518819 A FR 518819A FR 518819 A FR518819 A FR 518819A FR 518819D A FR518819D A FR 518819DA FR 518819 A FR518819 A FR 518819A
Authority
FR
France
Prior art keywords
anastigmat
lens
new
new anastigmat
anastigmat lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR518819A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optis SA
Original Assignee
Optis SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optis SA filed Critical Optis SA
Application granted granted Critical
Publication of FR518819A publication Critical patent/FR518819A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR518819A 1920-07-03 1920-07-03 New anastigmat lens Expired FR518819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR518819T 1920-07-03

Publications (1)

Publication Number Publication Date
FR518819A true FR518819A (en) 1921-05-31

Family

ID=8916272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR518819A Expired FR518819A (en) 1920-07-03 1920-07-03 New anastigmat lens

Country Status (1)

Country Link
FR (1) FR518819A (en)

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